Walnut Grove Flag

Walnut Grove

County Seat:
No
Area (mi²):
36.266
State:
Illinois

Walnut Grove is located in McDonough County, Illinois. Walnut Grove has a 2025 population of 452 . Walnut Grove is currently declining at a rate of -1.09% annually and its population has decreased by -2.38% since the most recent census, which recorded a population of 463 in 2020.

The average household income in Walnut Grove is $89,864 with a poverty rate of 9.27%. The median age in Walnut Grove is 45.6 years: 47.2 years for males, and 45.4 years for females. For every 100 females there are 113.0 males.

452
Total Population
12
Density (mi²)
-5 -1.09%
Growth

Walnut Grove Population

Walnut Grove Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Walnut Grove includes 92.31% White, 7.1% Black or African American, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (92.31%)

Black or African American (7.1%)

Two or more races (0.59%)

Race
Population
Percentage (of total)
White46892.31%
Black or African American367.1%
Two or more races30.59%

Walnut Grove Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Walnut Grove's average per capita income is $39,808. Household income levels show a median of $62,138. The poverty rate stands at 9.27%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$92,260-
Families$91,587$101,191
Households$62,138$89,864
Non Families$60,526$73,630

$39,808

Average Income

$62,138

Median Household Income

9.27%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)